Home / 2,160.43-3,237.95-926.41

Finding the Fourth Proportional to 2,160.43, 3,237.95 and 926.41

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Solution

The fourth proportional to 2,160.43, 3,237.95 and 926.41 is: 1,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.43 : 3,237.95 = 926.41 : x
  2. Step 2: Convert to fraction form
    2,160.43/3,237.95 = 926.41/x
  3. Step 3: Cross multiply
    2,160.43x = 3,237.95 × 926.41
  4. Step 4: Simplify right side
    2,160.43x = 2,999,678.66
  5. Step 5: Solve for x
    x = 2,999,678.66/2,160.43
  6. Step 6: Final answer
    x = 1,388.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.